public static void writeSettingsToStream(Settings settings, StreamOutput out) throws IOException {
out.writeVInt(settings.getAsMap().size());
for (Map.Entry<String, String> entry : settings.getAsMap().entrySet()) {
out.writeString(entry.getKey());
out.writeString(entry.getValue());
}
}
@Override
public Settings getValue(Settings current, Settings previous) {
Settings.Builder builder = Settings.builder();
builder.put(current.filter(loggerPredicate).getAsMap());
for (String key : previous.getAsMap().keySet()) {
if (loggerPredicate.test(key) && builder.internalMap().containsKey(key) == false) {
if (ESLoggerFactory.LOG_LEVEL_SETTING.getConcreteSetting(key).exists(settings) == false) {
builder.putNull(key);
} else {
builder.put(
key, ESLoggerFactory.LOG_LEVEL_SETTING.getConcreteSetting(key).get(settings));
}
}
}
return builder.build();
}
@Override
public void apply(Settings value, Settings current, Settings previous) {
for (String key : value.getAsMap().keySet()) {
assert loggerPredicate.test(key);
String component = key.substring("logger.".length());
if ("level".equals(component)) {
continue;
}
if ("_root".equals(component)) {
final String rootLevel = value.get(key);
if (rootLevel == null) {
Loggers.setLevel(
ESLoggerFactory.getRootLogger(),
ESLoggerFactory.LOG_DEFAULT_LEVEL_SETTING.get(settings));
} else {
Loggers.setLevel(ESLoggerFactory.getRootLogger(), rootLevel);
}
} else {
Loggers.setLevel(ESLoggerFactory.getLogger(component), value.get(key));
}
}
}
/** Sets all the provided settings. */
public Builder put(Settings settings) {
map.putAll(settings.getAsMap());
classLoader = settings.getClassLoaderIfSet();
return this;
}